Also, its been advised that one should go for a skimmer rated at twice the volume of the tank capacity, should one then get a 1000 lt rating for a 500lt system?

Can one overskim a tank, for example get a skimmer at say 5 times the tanks capacity, will there be any ill effects, i.e removing trace elements and supplements?

I assume skimming is based on bio load so hence a skimmers capacity should be weighed against the bioload you wish to keep, so one could overskim if the bioload is minimal based on the skimmers capacity?

Please could someone advise as to how skimmers are rated? when somebody gives you a concrete answer please tell me , jokes aside im not 100% sure but recently there is more info being provided as to pump air draw and flow through the skimmer body. how accurateley those translate to an actual rating number being achieved is also still uncertain.

Also, its been advised that one should go for a skimmer rated at twice the volume of the tank capacity, should one then get a 1000 lt rating for a 500lt system? this rule of thumb is applied due to the lack of suffiecient knowledge of how to rate skimmers

Can one overskim a tank, for example get a skimmer at say 5 times the tanks capacity, will there be any ill effects, i.e removing trace elements and supplements? not really the skimmer will simply stop pulling waste when there is no waste to pull

I assume skimming is based on bio load so hence a skimmers capacity should be weighed against the bioload you wish to keep, so one could overskim if the bioload is minimal based on the skimmers capacity?

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we generally overstock our systems, its an impulse thing and hence going for an oversized skimmer..

Still setting up Dallas, just ordered the Reef octo NW 150 rated at 650 lt however when i calculated my dt and sump it totals about 611lt that is not taking into considerstion the LR and DSB and other displacemnt aspects. So before it arives id rather up it to the NW200 which is rated at 900lt?